Rajasekar is an esteemed man in his early sixties, who lives in a small town with his sister and only son. His family is highly respected among the residents of the town. Ganga is a resident housemaid staying with her family inside the campus of the palace. She worships the cobra residing in it as ‘Nagamma’; unaware of the fact that the snake is actually an ‘Ichaadhari Nagam’, (Avenging cobra) which has been waiting since many years to avenge the elder’s family. The snake is under the control of a magical bond of a Malayali Nambhoodhiri.